Psychological aftermath of abortion.
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Abortion, Induced↗
Biomedical subjects
L L deVeber
Publications and source records attributed to L L deVeber.
Subcutaneous infusion ports in the pediatric patient with hemophilia.
Central venous access devices have become important tools in the management of pediatric patients with malnutrition, malignancy, and infections requiring long-term antibiotic treatment. Hemophilia presents a lifetime challenge for venous access and at times can be an urgent or life-threatening situation. Since 1986, the authors have implanted 11 subcutaneous infusion ports in nine patients with hemophilia. The systems have remained in place for up to 7 years, without major complications or problems. Two catheters were replaced, after 4 and 6 years, because of skin erosion and blockage, respectively. One catheter was removed after 7 years because of blockage following local trauma and was not replaced. A recent survey through the Canadian Hemophilia Centre Directors Group obtained a further 45 subcutaneous infusion ports in other centers across Canada. The benefits of this system are overwhelming enthusiasm by the parents and children and no major complications. Some of the patients are now HIV-positive and are able to use their system for ongoing drug therapy.
Catheterization, Central Venous↗
Immunosuppressive measles encephalitis.
A case of immunosuppressive measles (rubeola) encephalitis in a 12-year-old boy in remission from acute lymphoblastic leukemia is described. The patient presented with focal seizures which led to epilepsia partialis continua and then progressive obtundation. Magnetic resonance imaging revealed focal abnormalities, predominantly in the cortex, that on light and electron microscopic examination were demonstrated to be highly localized areas of neuronal loss, gliosis, and secondary Wallerian degeneration with paramyxovirus inclusions in the oligodendrocytes and surviving neurons.
Brain↗
Management of Ontario children with acute lymphoblastic leukemia by the Dana-Farber Cancer Institute protocols.
There is ample evidence of the value of intensive therapeutic strategies in the management of acute lymphoblastic leukemia (ALL), the commonest form of malignant disease in children. Such a program, devised at the Dana-Farber Cancer Institute (DFCI), Boston, and incorporating high-dose L-asparaginase, was adopted in 1984 by the Children's Hospital at Chedoke-McMaster, Hamilton, Ont., and the Children's Hospital of Western Ontario, London. We describe the experience of these institutions in the treatment of 82 children with ALL, 19 of whom were switched to the DFCI protocols while in continuing first remission with other treatment programs to complete a minimum of 2 years of maintenance therapy; the remaining 63 children, who had recently diagnosed disease, were consecutively enrolled in the DFCI protocols. Each child was assigned at diagnosis to a category of risk for relapse and treated accordingly. There were no remission induction failures or deaths due to induction therapy among the patients with newly diagnosed disease. There were no differences in total or event-free survival rates between the patients in Hamilton and those in London or between those whose protocols were switched and those who were treated from the beginning with the DFCI protocols. With a median follow-up interval of 144 weeks the total survival rate was 95% and the event-free survival rate 88%. For patients at standard risk of relapse the event-free survival rate was 100%, for those at high risk the rate was 82%, and for those at very high risk the rate was 67%. If infants (all of whom suffered a relapse) are excluded from the last category the rate was 89%. These results were achieved with moderate toxic effects (except for two deaths, one of which was due to a therapeutic misadventure) and suggest that the prospect for cure in children with ALL. may now approximate 80%, a degree of success that demands that consideration be given to reducing total therapy, at least for children with standard-risk disease. Further follow-up will determine whether these high event-free survival rates will stabilize and meet the criteria for cure.
Antineoplastic Combined Chemotherapy Protocols↗